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| author | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-07-20 00:31:15 +0000 |
|---|---|---|
| committer | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-07-20 00:31:15 +0000 |
| commit | 4db1469f863b2b9d82eff8d112a9471a4c94b079 (patch) | |
| tree | 94eedd6796f702b3e750b75344a9180da4a76c79 /gcc/loop.h | |
| parent | a7ae1e597777179c8b1545a3b56518781f1de909 (diff) | |
| download | gcc-4db1469f863b2b9d82eff8d112a9471a4c94b079.tar.gz | |
PR optimization/7130
* loop.h (struct loop_info): Add "preconditioned".
* unroll.c (unroll_loop): Set it.
* doloop.c (doloop_modify_runtime): Correct count for unrolled loops.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55598 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/loop.h')
| -rw-r--r-- | gcc/loop.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/loop.h b/gcc/loop.h index 4f4dc4160c1..631352fee6d 100644 --- a/gcc/loop.h +++ b/gcc/loop.h @@ -316,6 +316,9 @@ struct loop_info int has_multiple_exit_targets; /* Nonzero if there is an indirect jump in the current function. */ int has_indirect_jump; + /* Whether loop unrolling has emitted copies of the loop body so + that the main loop needs no exit tests. */ + int preconditioned; /* Register or constant initial loop value. */ rtx initial_value; /* Register or constant value used for comparison test. */ |